Zhang Yu may refer to:
- Zhang Yu (actress) (born 1957), Chinese film actress
- Zhang Yu (athlete) (born 1971), Chinese hurdler
- Zhang Yu (basketball) (born 1986), Chinese basketball player
- Zhang Yu (swimmer) (born 1987), swimmer
- Phil Chang (born 1967), Taiwanese singer-songwriter
- Zhang Yu (Western Han) (died 5 BC), Western Han Dynasty official
- Zhang Yu (Eastern Han) (died 113), Eastern Han Dynasty official
- Zhang Yu (composer), Chinese composer, of the opera Red Plum-Blossom Ridge
- Zhang Yu (Qing), Qing Dynasty official and educator